.d1{
    margin: 10px auto;
    width: 100%;

}
.biji{
    border: 1px solid #ccc;
    border-radius: 3px;
    font-size: 12px;
    color: #999;
    padding: 5px;
    margin: 10px;
    box-shadow: 2px 2px 2px 2px #ccc;
}
.biji_title{
    color: #666;
    font-size: 16px;
}
.biji_date{
    margin-bottom:5px;
}
.addDiv{
    width: 100%;
    margin: 10px auto;
    padding: 10px;
    height: 500px;
}
#s1{
    margin-left: 10px;
}
#title{
    border: none;
    font-size: 24px;
    outline: none;
    margin-top: 10px;
    color: #2dbe60;
}
::placeholder{
    color: #2dbe60;
}
#content{
    width: 100%;
    border: none;
    outline: none;
    overflow: auto;
    height: 300px;
}
#content:empty::before{
    content: attr(placeholder);
    color: #ccc;
}
.picbtn{
    position: relative;
    margin: 10px;
    margin-right: 70px;
    float: left;
}
.picbtn>img{
    position: absolute;
    left: 0px;
    top: 0px;
}
.hoverimg{
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}
.hoverimg:hover{
    opacity: 1;
}
.biji .left{
    width:70%;
}
.biji .right{
    width:30%;
    height:90px;
    background:red;
    border-radius:3px;
}